Extracting prog: 1m10.562019937s
Minimizing prog: 11m53.739285969s
Simplifying prog options: 0s
Extracting C: 21.476013987s
Simplifying C: 3m27.175868832s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program crashed: WARNING in usb_ep_enable
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
write(0xffffffffffffffff, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(0x0, 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
program crashed: WARNING in usb_ep_enable
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program crashed: WARNING in usb_ep_enable
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program crashed: WARNING in usb_ep_enable
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-symlinkat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000640)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0x1ff)
symlinkat(&(0x7f0000000900)='./config/usb_gadget/g1/functions/hid.usb0\x00', 0xffffffffffffff9c, &(0x7f0000000980)='./config/usb_gadget/g1/configs/c.1/hid.usb0\x00')
r0 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/usb_gadget/g1/UDC\x00', 0x1, 0x0)
write(r0, &(0x7f0000000a40)='dummy_udc.0\n', 0xc)

program crashed: WARNING in usb_ep_enable
validation run: crashed=true
reproducing took 18m43.088639532s
repro crashed as (corrupted=false):
------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:124 at usb_ep_enable+0x3e6/0x490 drivers/usb/gadget/udc/core.c:124, CPU#1: udevd/5791
Modules linked in:
CPU: 1 UID: 0 PID: 5791 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:usb_ep_enable+0x3f8/0x490 drivers/usb/gadget/udc/core.c:124
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8d 3d 4a 50 72 0a 48 8b 4b 08 40 0f b6 d5 4d 89 e0 48 c7 c6 e0 3a da 8c <67> 48 0f b9 3a bd ea ff ff ff e9 8e fd ff ff 49 c7 c4 80 2d da 8c
RSP: 0018:ffffc900006b0a00 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88802e04c0e0 RCX: ffffffff8cda7180
RDX: 0000000000000081 RSI: ffffffff8cda3ae0 RDI: ffffffff9252cdc0
RBP: 0000000000000081 R08: ffffffff8cda2dc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8cda2dc0
R13: 0000000000000000 R14: ffff88802e04c0e0 R15: ffff88802408f2a0
FS:  00007ff09b1a8880(0000) GS:ffff8880d4a46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc3d1d8fe8 CR3: 000000003a38e000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 hidg_set_alt+0x190/0xa10 drivers/usb/gadget/function/f_hid.c:1042
 set_config drivers/usb/gadget/composite.c:1018 [inline]
 composite_setup+0x2ccf/0x9290 drivers/usb/gadget/composite.c:1901
 configfs_composite_setup+0xfb/0x130 drivers/usb/gadget/configfs.c:1877
 dummy_timer+0x209a/0x3820 drivers/usb/gadget/udc/dummy_hcd.c:1955
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:kernfs_name_hash+0x7b/0x190 fs/kernfs/dir.c:334
Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 19 01 00 00 31 ff 89 de 4c 8b 65 60 e8 f9 1c 46 ff 84 db 74 5b <48> bd 00 00 00 00 00 fc ff df e8 d6 22 46 ff 48 89 d8 48 c1 eb 04
RSP: 0018:ffffc90003847940 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000070 RCX: ffffffff82c6356a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88802742a580
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000070 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803c7c0940 R14: 0000000000000000 R15: 0000000000000000
 kernfs_find_ns+0x117/0x700 fs/kernfs/dir.c:902
 kernfs_iop_lookup+0x14b/0x2d0 fs/kernfs/dir.c:1263
 __lookup_slow+0x155/0x320 fs/namei.c:1919
 lookup_slow+0x50/0x70 fs/namei.c:1936
 walk_component fs/namei.c:2282 [inline]
 lookup_last fs/namei.c:2789 [inline]
 path_lookupat+0x5e8/0xc40 fs/namei.c:2813
 filename_lookup+0x202/0x590 fs/namei.c:2842
 vfs_statx+0xff/0x3f0 fs/stat.c:353
 vfs_fstatat+0x77/0xe0 fs/stat.c:373
 __do_sys_newfstatat+0x9d/0x120 fs/stat.c:538
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff09ab11b0a
Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
RSP: 002b:00007ffc3d1e8298 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00005615c2e96735 RCX: 00007ff09ab11b0a
RDX: 00007ffc3d1e82a0 RSI: 00007ffc3d1e8330 RDI: 00000000ffffff9c
RBP: 00005615eabc7700 R08: 00005615c2e96735 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00005615eabc77f0
R13: 00007ffc3d1e8330 R14: 00007ffc3d1e9810 R15: 00005615c2e9cbcc
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 89 fa             	mov    %rdi,%rdx
   3:	48 c1 ea 03          	shr    $0x3,%rdx
   7:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   b:	0f 85 93 00 00 00    	jne    0xa4
  11:	48 8d 3d 4a 50 72 0a 	lea    0xa72504a(%rip),%rdi        # 0xa725062
  18:	48 8b 4b 08          	mov    0x8(%rbx),%rcx
  1c:	40 0f b6 d5          	movzbl %bpl,%edx
  20:	4d 89 e0             	mov    %r12,%r8
  23:	48 c7 c6 e0 3a da 8c 	mov    $0xffffffff8cda3ae0,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bd ea ff ff ff       	mov    $0xffffffea,%ebp
  34:	e9 8e fd ff ff       	jmp    0xfffffdc7
  39:	49 c7 c4 80 2d da 8c 	mov    $0xffffffff8cda2d80,%r12

final repro crashed as (corrupted=false):
------------[ cut here ]------------
usb_ep_enable: ep129 (ep1in-bulk) has maxpacket 0
WARNING: drivers/usb/gadget/udc/core.c:124 at usb_ep_enable+0x3e6/0x490 drivers/usb/gadget/udc/core.c:124, CPU#1: udevd/5791
Modules linked in:
CPU: 1 UID: 0 PID: 5791 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:usb_ep_enable+0x3f8/0x490 drivers/usb/gadget/udc/core.c:124
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 93 00 00 00 48 8d 3d 4a 50 72 0a 48 8b 4b 08 40 0f b6 d5 4d 89 e0 48 c7 c6 e0 3a da 8c <67> 48 0f b9 3a bd ea ff ff ff e9 8e fd ff ff 49 c7 c4 80 2d da 8c
RSP: 0018:ffffc900006b0a00 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88802e04c0e0 RCX: ffffffff8cda7180
RDX: 0000000000000081 RSI: ffffffff8cda3ae0 RDI: ffffffff9252cdc0
RBP: 0000000000000081 R08: ffffffff8cda2dc0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8cda2dc0
R13: 0000000000000000 R14: ffff88802e04c0e0 R15: ffff88802408f2a0
FS:  00007ff09b1a8880(0000) GS:ffff8880d4a46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc3d1d8fe8 CR3: 000000003a38e000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 hidg_set_alt+0x190/0xa10 drivers/usb/gadget/function/f_hid.c:1042
 set_config drivers/usb/gadget/composite.c:1018 [inline]
 composite_setup+0x2ccf/0x9290 drivers/usb/gadget/composite.c:1901
 configfs_composite_setup+0xfb/0x130 drivers/usb/gadget/configfs.c:1877
 dummy_timer+0x209a/0x3820 drivers/usb/gadget/udc/dummy_hcd.c:1955
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:kernfs_name_hash+0x7b/0x190 fs/kernfs/dir.c:334
Code: 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 19 01 00 00 31 ff 89 de 4c 8b 65 60 e8 f9 1c 46 ff 84 db 74 5b <48> bd 00 00 00 00 00 fc ff df e8 d6 22 46 ff 48 89 d8 48 c1 eb 04
RSP: 0018:ffffc90003847940 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000070 RCX: ffffffff82c6356a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88802742a580
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000070 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88803c7c0940 R14: 0000000000000000 R15: 0000000000000000
 kernfs_find_ns+0x117/0x700 fs/kernfs/dir.c:902
 kernfs_iop_lookup+0x14b/0x2d0 fs/kernfs/dir.c:1263
 __lookup_slow+0x155/0x320 fs/namei.c:1919
 lookup_slow+0x50/0x70 fs/namei.c:1936
 walk_component fs/namei.c:2282 [inline]
 lookup_last fs/namei.c:2789 [inline]
 path_lookupat+0x5e8/0xc40 fs/namei.c:2813
 filename_lookup+0x202/0x590 fs/namei.c:2842
 vfs_statx+0xff/0x3f0 fs/stat.c:353
 vfs_fstatat+0x77/0xe0 fs/stat.c:373
 __do_sys_newfstatat+0x9d/0x120 fs/stat.c:538
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff09ab11b0a
Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7
RSP: 002b:00007ffc3d1e8298 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 00005615c2e96735 RCX: 00007ff09ab11b0a
RDX: 00007ffc3d1e82a0 RSI: 00007ffc3d1e8330 RDI: 00000000ffffff9c
RBP: 00005615eabc7700 R08: 00005615c2e96735 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00005615eabc77f0
R13: 00007ffc3d1e8330 R14: 00007ffc3d1e9810 R15: 00005615c2e9cbcc
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 89 fa             	mov    %rdi,%rdx
   3:	48 c1 ea 03          	shr    $0x3,%rdx
   7:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   b:	0f 85 93 00 00 00    	jne    0xa4
  11:	48 8d 3d 4a 50 72 0a 	lea    0xa72504a(%rip),%rdi        # 0xa725062
  18:	48 8b 4b 08          	mov    0x8(%rbx),%rcx
  1c:	40 0f b6 d5          	movzbl %bpl,%edx
  20:	4d 89 e0             	mov    %r12,%r8
  23:	48 c7 c6 e0 3a da 8c 	mov    $0xffffffff8cda3ae0,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bd ea ff ff ff       	mov    $0xffffffea,%ebp
  34:	e9 8e fd ff ff       	jmp    0xfffffdc7
  39:	49 c7 c4 80 2d da 8c 	mov    $0xffffffff8cda2d80,%r12